a lens cap amibient light meter?

[david_carson]

Hello,

 

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I had heard of a lens cap amibient light meter in Pop Photo about 2-3 years ago,

but I can't locate one now. Basically it was a lens cap with a translucent part that

supposedly turned your camera's built-in reflected light meter into an amibient light

meter. It was very inexpensive, and seemed like a good idea.

 

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Any thoughts? Lutz, you want to build one? :-)

 

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Cheers,

[jackflesher]

Lutz:

 

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I think it was called something like the "Williams expo-disk"; not

exactly sure though... It could also be used for pre-exposing or pre-

flashing film to stretch contrast. But of course this was practical

only with cameras that permitted double-exposure.

[rob_steinberg]

Hi,

Jack, you are correct it is the Williams expo-disk. It actually has a

number of functions, from calibrating your meter to using it for

incident readings as well as the pre flash readings. The web address

for it is www.expo-disc.com. The inventor, Mr Williams, who was very

active in photography passed away this past spring, but his company

still produces the disc.

Having owned a couple of leicas over the past couple of years I have

to say this is a very informative and enjoyable list.

Rob

[david_cunningham2]

Lutz...

 

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It's the Wallace Expo-Disc--> www.expodisc.com

[rob_steinberg]

Well so much for hand eye coordination. Thanks for the correction.

[david_carson]

Hey guys, thanks for the answers, but er, I asked the question, not Lutz. I

was just joking to Lutz that he should make one if none existed, as he is

quite the invertor...

 

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Don't want poor Lutz to be blamed for my questions!

 

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Cheers,

[mgvaughan.com]

Another alternative is to use a coffee filter. Place it over the lens when setting the white balance. Try this address for more information-

 

http://www.fredmiranda.com/forum/topic/old/64826/0

 

So far, my testing has been favorable.